Where does “Protathlitis” come from?

Protathlitis (Translingual) comes from Greek πρωταθλητής, from Greek αθλητής, from Ancient Greek ἀθλητής, from Ancient Greek ἀθλέω, from Ancient Greek -έω, from Proto-Indo-European -éyeti, from Proto-Indo-European -yeti — Creates transitive imperfective verbs from roots.

Protathlitis (Translingual): genus|a theropod dinosaur from the Early Cretaceous Arcillas de Morella Formation of Castellón, Spain.}}

Definitions

genus|a theropod dinosaur from the Early Cretaceous Arcillas de Morella Formation of Castellón, Spain.}}

Ancestry of “Protathlitis”, step by step

Step	Language	Word	Meaning
1	Greek	πρωταθλητής	champion
2	Greek	αθλητής	athlete, sportsman
3	Ancient Greek	ἀθλητής	a combatant, champion, especially a prizefighter;...
4	Ancient Greek	ἀθλέω	to contend for a prize, combat, wrestle; to be an...
5	Ancient Greek	-έω	Used to form verbs from nouns, adjectives and...
6	Proto-Indo-European	-éyeti	Forms causative imperfective verbs from roots;...
7	Proto-Indo-European	-yeti	Creates transitive imperfective verbs from roots

Every word from Proto-Indo-European -yeti →Every word from Ancient Greek -έω →Every word from Proto-Indo-European -éyeti →